Power trip for sheaf racks



March 9, 1937. c. B w s c I 2,072,997

POWER TRIP FOR SHEAF RACKS Filed Oct. 17, 1956 2 Sheets-Sheet 1 March 9, 1937. c. B. WITTSTRUCK POWER TRIP FOR SHEAF RACKS 2 Sheets-Sheet 2 Filed Oct. 17', 1936 Patented Mar. 9, 1937 UNITED STATES PATENT OFFICE 6 Claims.

This invention relates to agricultural implements and has special reference to a power trip for sheaf racks of tractor drawn binders.

Hereto-fo-re it has been common to use a hand 5 lever or trip rope in connection with tractor drawn binders for dumping the sheaf rack from time to time. Such hand lever or rope is placed in such position on the tractor that the operator of the tractor may grasp the lever or rope and, by

10 manipulating the same, dump the sheaf rack whenever he so desires. This operation requires that the operator removes one hand from the steering Wheel of the tractor. Since it is necessary to dump the rack at frequent intervals it is 15 practically necessary for the operator to have one hand off the steering wheel nearly, if not quite, all the time. This makes the steering of the tractor very laborious and also throws extra work on the operator.

The principal object of the present invention is to provide an improved sheaf rack dumping device extending from the binder to the tractor and there actuated by the power of the tractor, the operator controlling the connection of the trip and power by the simple and convenient method of stepping on a pedal or button so that both hands may be constantly used for steering the tractor.

A second important object of the invention is to provide a novel device of this character so arranged as to permit turning movement of the tractor relative to the binder without dumping the sheaf rack.

With the above and other objects in view, the invention consists in general of certain novel details of construction and combinations of parts hereinafter fully described, illustrated in the accompanying drawings, and pointed out in the appended claims.

In the accompanying drawings like characters of reference indicate like parts in the several views, and:-

Fig. 1 is a general plan view showing a portion of a harvester of the usual reaper and binder form, a portion of an ordinary tractor and the invention as applied thereto.

Fig. 2 is an enlarged detail section on the line 2--2 of Fig. 1.

Fig. 3 is an enlarged detail section on the line 3-3 of Fig. 1.

Fig. 4 is a view of the parts shown in Fig. 3 and taken from the right side thereof.

Fig. 5 is an enlarged detail section on the line 55 of Fig. 1.

Fig. 6 is a section onthe line Ii.6 of Fig. 5. I

Fig. 7 is a greatly enlarged section on the line 1-! of Fig. 1.

Fig. 8 is an enlarged detail section on the line 88 of Fig. 1.

In the embodiment of the invention as here shown there has been disclosed a portion of a binder indicated in general at B. Much of the detail construction of the binder has been omitted as having no relation to the present invention and as tending to obscure those parts directly relating to this invention. The illustration is, therefore, to be taken as'merely typical of the general outline of a binder. Similarly a portion of a tractor has been shown at T with much of the detail omitted for like reasons.

The binder B is provided with a rock-shaft I supported in bearings II carried by any suitable parts of the binder. Fork tines I2 project from the shaft I0 in the usual manner and form the sheaf rack of the binder. This rack receives the sheaves until a sufficient number has been accumulated whereupon the shaft III is rocked to depress the free ends of the tines and the rackis dumped. In order to rock the shaft a rock arm I3 is fixed thereon and is connected by a link I4 with a second rock arm I fixed to a shaft I6 running acrossthe front of the binder. The shaft I6 is supported in bearings I1 mounted on suitable parts of the binder. On its inner end the shaft I6 carries a rock arm I8 which is connected by a link I9 with a rock arm 20 fixed on a shaft 2I. The rock arm 20 is provided with a series of pivot holes 22 and the link I9 has one end connected to the rock arm 20 by a pivot pin 23 passing through a selected hole 22. By this means, with a given angle of oscillation of the arm 26 the oscillation of the shaft I6 and thus of the shaft I0 may be regulated. The shaft 20 is supported in a bearing 24 mounted on a suitable part of the binder such as the tongue brace 25. On the shaft 20 is also fixed a rock arm 26 from which extends a link 21. Connected to the forward end of the link 2! is a link member 28, the joint 29 connecting these parts being such as to permit lateral swinging of the member 28. The forward end of the member 29 is received telescopically in a link member 30 of tubular construction. The member 30 is provided with a longitudinal slot 3| and fixed in the forward end of the member 28 is a pin 32 which slides in the slot 30 and limits the movement of the members 28 and 30 relative to each other. The pin iiz rests near in the rear 1 such as the frame 33 is a bearing 34 wherein is supported a shaft 35. On one end of this shaft 35 is fixed a rock arm 36 to which is connected one end of a link 31 which extends rearwardly from the arm 36. The forward end of the tubular member and the rear end of the link 31 are connected by an upright joint 38 so that the member 30 may swing laterally with respect to the link 31. Onthe remaining end of the shaft is ed an attesti lever or a m 39 wh h carries means such as a roller pin 40 by which it may be power actuated. It is here to be understood that the actuating means now to be described is to be taken as typical of any suitable 15 actuating means for the purpose anldzthat the actuating means is not limited to that illustrated and specifically described.

A h re wn the pin its the groove 4| of a cam member 42 which is revolubly mount- 20 ed on a shaft 43 journalled in bearings 44-mountt onhef ame 3 3 af isv d ven from the motor (not shown) of the tractor as by a he r 45- On the e m s fixed, a l toh' ember 46 which is engageable by a clutch member 4!v splined on theshaft 43. The member 41 is m edhy a shi ter lever 8 wh h s connected by a red o in ithe e ndin -a 50 o a bell orank lever i t d to e hreeke 'mo do th fr mes-3- he ot a m 52 o this 30 bel o nn l ver e te ds! h rizon a ly and r i a P da or bu t 53 de tedt be depr ed by the foot of the operator.

om t fo eg i t i l b s n tha d pres i n o t e-p da 53 a es h ot h m m 3. bers 46 and 41 to engage, This clutches the cam 42 to the, shaft 43 which is constantly revolvin through the action of the motor. The operation of the clutch 42 actuates the arm 39 to urge its lower end rearwardly, This rocks the arm 36 or a d y e dpull o he-l n stem formed by the members 31, 30, 28 ,and.g'1 so that thearms 2.5.5 andit ,roek ardl a dpul on the li l9. This, rocks theshaft Ifiwhich, as previously descr bed. r ek e shaf t o ump the shea eok- Ob ous i desi ed uitable means such as a weleh -o s ri 5 mnvzused' restore he et tool if si d- Therehas thus been provided a simple and efficient device of the-kind described and for the h rr e soeoif ed- It is obviousthat changes may be made in the form and construction of the-invention without departing from the material principles involved. It is not therefore desired to confine theinvention tQ'the' exact form-herein shown and described but it is desired to include all forms which ccrne within the scope of the appended claims.

What is claimed is:

1. In a-binder ofv the type having a sheaf rack movable between --.sheaf supporting and sheaf dumping positions, and a motordriven tractor attached to the binder; the combination of a linkage having'one end connected to the sheaf rack for dumping the rack and having at its other end an actuating arm rockinglysupported onthe tractor, operating means for operating theaactuating arm, and-foot operated means on the tractor for connecting and disconnecting the operating means and the motor of the tractor.

32.;In avbinder of the type having a sheaf rack movable between sheaf supporting and sheaf dumping positions, and a motor driven tractor attached to the binder; the combination of a linkage having one end connected to the sheaf Z5. rack for dumping the rack and'having at its other endan actuating arm rockingly supported on the tractor, operating means for operating the actuating arm, and foot operated means on the tractor for connecting and disconnecting the operating means and the motor of the tractor, said linkage including members pivotally connected by a joint having an upright axis permitting one member to swing laterally with respect to the other member.

a b n er of the typehaving ash a reek movable between sheaf supporting and sheaf dumping positions, and a motor driven tractor attached to the binder; the combination of a linkage having one end connected to the sheaf rack for dumping the rack and having at its other end an actuating arm rockingly supported on the tractor, operating means for operating the; actuating foot operating means on the tractor for connecting and disconnecting the operating means and the motor of the tractor, aid linkage ine ud ne a pair o telesco ically onn etedmemb e, and means to lim tsepamt in ement-o said eleeooo o mem s.-

4- In a hi de oi h ype ha ing a shea ree o ab e betw en shea up ort and et dumP ner s-itions and a moto dr e trac o ttach d to the inde the com nation i a nka e havin on one onnect d. t h shea eek tor dum n th racka d havin at its ther end n a tuating ermr oltih ly support d n th a t r, per i means o p atin th aothe ne a m and oo pera ed'mea s on he t a to or oonneotine a is onne tin th p ratin means and the mot r o the tra t a d n e nc u in a pair o te copically conne ed member and means o m 'serera n movem n f sa d teles p mem said elesc pic m mbe s having t e remote end jointed to the remainder of the linkage by'upn ht jo nts to permitla rallysw n n f memrs nnected y said joints re t v t each other.

5. In a binder and-a motor driven tractor 0.9.11.- e ted to the hinde he combination of a h d r supported sheaf rack; having aoek shaft. a rock arm fixed on said shaft, a second rock shaft sup-. ported from the binder and extending at right angles to the first shaft, a rock arm on the secand shaft, a link connecting-said rock arms, a third rock arm on said second shaft, a third rock shaft carried by the binder parallel to the second shaft, a pair of rock arms on the third shaft, one of said pair of rock arms being providedwith a longitudinally spaced series of pin openings, a second link having one end pivoted to the third rock arm and having its other end pin connected to a selectedone of said openings, a fourth link connected at one end to remaining one of said pair of rock arms, a fourth shaft rockingly supported on the tractor, a second pair of rock arms carried by the fourth shaft, a fifth link having one end pivoted to an arm of the second pair of rockarms and extending rearwardly therefrom, a sixth link connected at its ends, operating means-for actuating the second rock arm of the second pair, means-for connecting and disconnecting the motor of the tractor and said operating means, and foot operated means for actuating the last. mentioned means.

6. In a binder and a motor driven tractor connected to the binder, the combination of a binder supported sheaf rack having a rock shaft, a rock arm fixed on said shaft, a second rock shaft supported from the binder and extending at right angles to the first shaft, a rock arm on the sec- 0nd shaft, a link connecting said rock arms, a third rock arm on said second shaft, a third rock shaft carried by the binder parallel to the second shaft, a pair of rock arms on the third shaft, one of said pair of rock arms being provided with a longitudinally spaced series of pin openings, at second link having one end pivoted to the third rock arm and having its other end pin connected to a selected one of said openings, a fourth link connected at one end to remaining one of said pair of rock arms, a fourth shaft rockingly supported on the tractor, a second pair of rock arms carried by the fourth shaft, a fifth link having foot operated means for actuating the last men- 10 tioned means.

CLAYTON B. WI'I'TS'I'RUCK. 

